Split root and cluster frames in smaller pieces (#5737)

* Make root frame child components comply with open closed principle and include it in the behavioural unit tests

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Make cluster frame child components comply with open closed principle and include it in behavioural unit tests

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Remove duplication

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Simplify test

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Make a component more determistic in unit tests

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Mock uninterested, non-deterministic third party library in unit tests

Co-authored-by: Mikko Aspiala <mikko.aspiala@gmail.com>

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Optimize registration of injectables in unit tests to make tests faster

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Update snapshots

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Remove import time side-effect causing memory leak

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

__mocks__/react-beautiful-dnd.tsx

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import React from "react";
+
+import type {
+  DragDropContextProps,
+  DraggableProps,
+  DroppableProps,
+} from "react-beautiful-dnd";
+
+export const DragDropContext = ({ children }: DragDropContextProps) => <>{ children }</>;
+export const Draggable = ({ children }: DraggableProps) => <>{ children }</>;
+export const Droppable = ({ children }: DroppableProps) => <>{ children }</>;